Template:FlatMetaCat
This category gathers all sub-categories related to its parent category in a non-hierarchical list, including those that would normally only be found via intermediate sub-categories.
Usage
edit{{FlatMetaCat}}
Should be on all categories which collect all their subcategories (and sub-subcategories) into one "flat", alphabetical category list. These types of categories are usually identified by qualifiers like "X by name" or "X by alphabet".